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Problem- Consider the titration of 100.0 mL of 0.0200 M acetic acid (pKa = 4.76) with 0.100 M NaOH. Determine the pH at the equivalence point.
Illustrate structures to prove your interpretation.
The freezing point of camphor is lowered by 26.4°C while 2.663 g of the compound is dissolved in 14.00 g of camphor (Kf = 40.0 K kg/mol.) Explain what is the molecular formula of the unidentified compound
A blood sample has an [H3O+]= 4.6 x 10^-8. Show how to determine (and then calculate) the pH, pOH, and [OH-] of this blood sample. In addition, determine if this blood sample is acidic, neutral, or basic and indicate if the pH of this sample is wi..
If 1.19 mL of a 1.4 x 10-5 M stock solution is pipette into a test tube, and 8.81 mL of water is added to the test tube and mixed, what is the concentration of the new solution in the test tube?
After the reaction was completed. The solution was back titrated with a NaOH solution (33.50 mL of 0.1500 M).Calculated the Molecular Mass of MCO3. Determine what is this sample: CaCO3 ; MgCO3; or BaCO3 ?
if a reation vessel contains .25 mol KO2 AND .15 mol H2O, what is the limiting reactant ? How many moles of oxygen can be formed ?
ksp lead ii bromide is 6.5x10-6a whats the molar solubility of lead ii bromide in pure water?b what is the molar
A piece of a newly synthesized material of mass 25.0 g at 80.0C is placed in a calorimeter containing 100.0 g of water at 20.0C. If the final temperature of the system is 24 0C
From the same container under the same conditions--same temperature and initial pressure, it takes 40 s for 1.00 L of O2 gas to effuse. Calculate the molar mass (in grams/mol) of the unknown gas.
Problem- Write the condensed structural formula of the ester formed when each of the following reacts with methyl alcohol. formic acid
Calculate thePH at the equivalence point in titrating 0.100 M solutions of each of the following with 9.0×10^ 2 M NaOH... calculate the ph for HCLO2
an inflated balloon has a volume of 0.55 l at sea level 1 atm and is allowed to rise to a height of 6.6 km where the
Given 7.95g of butanoic acid and excess ethanol, how many grams of ethyl butyrate would be synthesized, assuming a complete 100 %yield
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